Improvement in rowlocks



G. WILLIAMS. Rowlock.

No. 220,104. Patented Sept. 30,1879.

Figi.

./ `Illlmlllll UNITED STATES PATENT OEEIcE GEORGE WILLIAMS, OF MYSTIO RIVER, ASSIGNOR OF ONE-HALF HIS RIGHT TO W. B.'MANWARING, OF NEW LONDON, CONNECTICUT.

IM PROVEMENT IN RowLocKs.

Specification forming part of Letters Patent No. 220,101, dated September 30, 1879 application tiled March 13, 1879.

To all whom it may concern:

Be it known that I, GEORGE WILLIAMS, of Mystic River, in the county of New London and State of Connecticut, have invented certain new and useful Improvements in Rowlocks for Boats; and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the sam e, reference beinghad to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.

This invention relates to oar-locks or rowlocks which are made detachable by turning and lifting; and it consists in the construction, combination, and 4arrangement of the parts constituting the same, as hereinafter particularly set forth, and pointed out in the appended claims.

In the accompanying drawings, Figure l represents a front elevation of my improved rowlockwith its attaching-plate and socket. Fig. 2 represents the rowlock detached, and Fig. 3 represents a detail View of the socket and attaching-plate.

In said drawings,-A designates a flat plate, to be attached to the boat in any convenient manner, and having a central tubular socket, B, which tapers downward and extends slightly above and considerably below said'plate. The upper end of said tapering socket B is provided with an annular external flange, b, having recesses b' b'.-

The surface of plate A is provided with two curved anges or ridges, A' A', forming parts of a circle concentric with that of socket B, or having the axis of said socket as its central point.

C designates an oar-lock or rowlock of the ordinary U-shaped form, having a downwardly-tapering shank, C', above which is a shoulder, G2.

D designates two catches or hooks, secured to the said 4rowlock on opposite sides thereof, and recessed on the inside at cl, so as to receive the flange b of socket B in said recesses, and to allow said rowlock to be turned. The lower ends of said catches are extended inward at d', below recess d, so as to catch under ange b. The recesses b' in said flange correspond in number `and rnellative position to said catches D.

To attach said rowlock, the same must be held so that its catches D are immediately over said recesses b' in iiange b. Taperng shank O1 is then pressed down into socket B until catches D pass through recesses b' and come in contact with plate A. Rowlock O is then turned into the proper position for rowing. This movement brings the inwardly-extending part d' of each catch D under the liange b, and between tubular socket B andouter anges or ridges, A' A', on plate A. 'When said rowlock is in this position it is firmly braced against either vertical or lateral movement by the joint action of catches D, shoulder G2, flange b, and ridges A'.

Socket B forms an inner brace for catches D, and a very effective outer brace for stem C1, enabling the latter to withstand great strain.

I have shown two catches, D, and two recesses," 12'; but it is obvious that only one ot' each may be employed; also, more than two of each may be employed.

The fasteningplate A may be broadened and a single raised circle substituted for the ridges A' A'.

The stem C1 andsocket B may be made angular in crosssection instead of circular. The taper of said parte may be dispensed with 5 but such change would be disadvantageous, as the two must fit closely, and their tapering form insures such tting aswell as an easyentrance.

Having thus described my invention,what Iclaim as new, and desire to secure by Letters Patent, is

1. The combination, with recessed catches D, attached to rowlock C, of fixed ange b, arranged to enter the recesses of said catches, and fixed exterior anges, A', which bear against the outside of said catches, whereby said rowlock is held immovably, substantially as set forth.

2. The combination, with socket B, having exterior recessed flange, b, on its upper rim, of

shank Ol, catches D, embracing said lia-nge b, and outer lianges, A', substantially as set forth.

In testimony that I claim the foregoing as my own I aix my signature in presence of two witnesses.

Witnesses: GEORGE WILLIAMS.

BENJ. STARK, C. W. BUTLER. 

